content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.flowable.internal.subscribers;
  
  import static org.junit.Assert.*;
  
  import java.util.*;
  
  import org.junit.Test;
  import org.reactivestreams.*;
  
  import io.reactivex.common.*;
  import io.reactivex.common.exceptions.*;
  import io.reactivex.common.functions.*;
  import io.reactivex.flowable.Flowable;
  import io.reactivex.flowable.internal.subscriptions.BooleanSubscription;
  import io.reactivex.flowable.processors.PublishProcessor;
  
  public class LambdaSubscriberTest {
  
      @Test
      public void onSubscribeThrows() {
          final List<Object> received = new ArrayList<Object>();
  
          LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
              @Override
              public void accept(Object v) throws Exception {
                  received.add(v);
              }
          },
          new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  received.add(e);
              }
          }, new Action() {
              @Override
              public void run() throws Exception {
                  received.add(100);
              }
          }, new Consumer<Subscription>() {
              @Override
              public void accept(Subscription s) throws Exception {
                  throw new TestException();
              }
          });
  
          assertFalse(o.isDisposed());
  
          Flowable.just(1).subscribe(o);
  
          assertTrue(received.toString(), received.get(0) instanceof TestException);
          assertEquals(received.toString(), 1, received.size());
  
          assertTrue(o.isDisposed());
      }
  
      @Test
      public void onNextThrows() {
          final List<Object> received = new ArrayList<Object>();
  
          LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
              @Override
              public void accept(Object v) throws Exception {
                  throw new TestException();
              }
          },
          new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  received.add(e);
              }
          }, new Action() {
              @Override
              public void run() throws Exception {
                  received.add(100);
              }
          }, new Consumer<Subscription>() {
              @Override
              public void accept(Subscription s) throws Exception {
                  s.request(Long.MAX_VALUE);
              }
          });
  
          assertFalse(o.isDisposed());
  
          Flowable.just(1).subscribe(o);
  
          assertTrue(received.toString(), received.get(0) instanceof TestException);
          assertEquals(received.toString(), 1, received.size());
  
          assertTrue(o.isDisposed());
      }
  
      @Test
      public void onErrorThrows() {
          List<Throwable> errors = TestCommonHelper.trackPluginErrors();
  
          try {
              final List<Object> received = new ArrayList<Object>();
  
              LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
                  @Override
                  public void accept(Object v) throws Exception {
                      received.add(v);
                  }
              },
              new Consumer<Throwable>() {
                  @Override
                  public void accept(Throwable e) throws Exception {
                      throw new TestException("Inner");
                  }
              }, new Action() {
                  @Override
                  public void run() throws Exception {
                      received.add(100);
                  }
              }, new Consumer<Subscription>() {
                  @Override
                  public void accept(Subscription s) throws Exception {
                      s.request(Long.MAX_VALUE);
                  }
              });
  
              assertFalse(o.isDisposed());
  
              Flowable.<Integer>error(new TestException("Outer")).subscribe(o);
  
              assertTrue(received.toString(), received.isEmpty());
  
              assertTrue(o.isDisposed());
  
              TestCommonHelper.assertError(errors, 0, CompositeException.class);
              List<Throwable> ce = TestCommonHelper.compositeList(errors.get(0));
              TestCommonHelper.assertError(ce, 0, TestException.class, "Outer");
              TestCommonHelper.assertError(ce, 1, TestException.class, "Inner");
          } finally {
              RxJavaCommonPlugins.reset();
          }
      }
  
      @Test
      public void onCompleteThrows() {
          List<Throwable> errors = TestCommonHelper.trackPluginErrors();
  
          try {
              final List<Object> received = new ArrayList<Object>();
  
              LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
                  @Override
                  public void accept(Object v) throws Exception {
                      received.add(v);
                  }
              },
              new Consumer<Throwable>() {
                  @Override
                  public void accept(Throwable e) throws Exception {
                      received.add(e);
                  }
              }, new Action() {
                  @Override
                  public void run() throws Exception {
                      throw new TestException();
                  }
              }, new Consumer<Subscription>() {
                  @Override
                  public void accept(Subscription s) throws Exception {
                      s.request(Long.MAX_VALUE);
                  }
              });
  
              assertFalse(o.isDisposed());
  
              Flowable.<Integer>empty().subscribe(o);
  
              assertTrue(received.toString(), received.isEmpty());
  
              assertTrue(o.isDisposed());
  
              TestCommonHelper.assertUndeliverable(errors, 0, TestException.class);
          } finally {
              RxJavaCommonPlugins.reset();
          }
      }
  
      @Test
      public void badSourceOnSubscribe() {
          Flowable<Integer> source = Flowable.fromPublisher(new Publisher<Integer>() {
              @Override
              public void subscribe(Subscriber<? super Integer> s) {
                  BooleanSubscription s1 = new BooleanSubscription();
                  s.onSubscribe(s1);
                  BooleanSubscription s2 = new BooleanSubscription();
                  s.onSubscribe(s2);
  
                  assertFalse(s1.isCancelled());
                  assertTrue(s2.isCancelled());
  
                  s.onNext(1);
                  s.onComplete();
              }
          });
  
          final List<Object> received = new ArrayList<Object>();
  
          LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
              @Override
              public void accept(Object v) throws Exception {
                  received.add(v);
              }
          },
          new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  received.add(e);
              }
          }, new Action() {
              @Override
              public void run() throws Exception {
                  received.add(100);
              }
          }, new Consumer<Subscription>() {
              @Override
              public void accept(Subscription s) throws Exception {
                  s.request(Long.MAX_VALUE);
              }
          });
  
          source.subscribe(o);
  
          assertEquals(Arrays.asList(1, 100), received);
      }
      @Test
      public void badSourceEmitAfterDone() {
          Flowable<Integer> source = Flowable.fromPublisher(new Publisher<Integer>() {
              @Override
              public void subscribe(Subscriber<? super Integer> s) {
                  BooleanSubscription s1 = new BooleanSubscription();
                  s.onSubscribe(s1);
  
                  s.onNext(1);
                  s.onComplete();
                  s.onNext(2);
                  s.onError(new TestException());
                  s.onComplete();
              }
          });
  
          final List<Object> received = new ArrayList<Object>();
  
          LambdaSubscriber<Object> o = new LambdaSubscriber<Object>(new Consumer<Object>() {
              @Override
              public void accept(Object v) throws Exception {
                  received.add(v);
              }
          },
          new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  received.add(e);
              }
          }, new Action() {
              @Override
              public void run() throws Exception {
                  received.add(100);
              }
          }, new Consumer<Subscription>() {
              @Override
              public void accept(Subscription s) throws Exception {
                  s.request(Long.MAX_VALUE);
              }
          });
  
          source.subscribe(o);
  
          assertEquals(Arrays.asList(1, 100), received);
      }
  
      @Test
      public void onNextThrowsCancelsUpstream() {
          PublishProcessor<Integer> ps = PublishProcessor.create();
  
          final List<Throwable> errors = new ArrayList<Throwable>();
  
          ps.subscribe(new Consumer<Integer>() {
              @Override
              public void accept(Integer v) throws Exception {
                  throw new TestException();
              }
          }, new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  errors.add(e);
              }
          });
  
          assertTrue("No observers?!", ps.hasSubscribers());
          assertTrue("Has errors already?!", errors.isEmpty());
  
          ps.onNext(1);
  
          assertFalse("Has observers?!", ps.hasSubscribers());
          assertFalse("No errors?!", errors.isEmpty());
  
          assertTrue(errors.toString(), errors.get(0) instanceof TestException);
      }
  
      @Test
      public void onSubscribeThrowsCancelsUpstream() {
          PublishProcessor<Integer> ps = PublishProcessor.create();
  
          final List<Throwable> errors = new ArrayList<Throwable>();
  
          ps.subscribe(new Consumer<Integer>() {
              @Override
              public void accept(Integer v) throws Exception {
              }
          }, new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) throws Exception {
                  errors.add(e);
              }
          }, new Action() {
              @Override
              public void run() throws Exception {
              }
          }, new Consumer<Subscription>() {
              @Override
              public void accept(Subscription s) throws Exception {
                  throw new TestException();
              }
          });
  
          assertFalse("Has observers?!", ps.hasSubscribers());
          assertFalse("No errors?!", errors.isEmpty());
  
          assertTrue(errors.toString(), errors.get(0) instanceof TestException);
      }
  }
  